/*
 * Copyright 2007 www.luzand.com
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

/**
 * ObserverService Helper
 */
var yrprxObserverServiceHelper = {
    observerService : yrprxComponentsFactory.getObserverService(),
    logger : yrprxFactory.createLogger("yrprxObserverServiceHelper")
};

yrprxObserverServiceHelper.addObserver = function (observer, topic, ownsWeak)
{
    try
    {
        if (typeof ownsWeak == 'undefined')
            ownsWeak = false;

        this.observerService.addObserver(observer, topic, ownsWeak);
    }
    catch(ex)
    {
        if (this.logger.enabled) this.logger.error("addObserver: Exception: " + ex);
    }
}

yrprxObserverServiceHelper.removeObserver = function (observer, topic)
{
    try
    {
        if (observer) this.observerService.removeObserver(observer, topic);
    }
    catch(ex)
    {
        if (this.logger.enabled) this.logger.error("removeObserver: Exception: " + ex);
    }
}

yrprxObserverServiceHelper.notifyObservers = function (subject, topic, someData)
{
    try
    {
        this.observerService.notifyObservers(subject, topic, someData);
    }
    catch(ex)
    {
        if (this.logger.enabled) this.logger.error("notifyObservers: Exception: " + ex);
    }
}
